Claude Code v2.1.93 Released - Deferred Permission Decisions, Flicker-Free Rendering, and More
Anthropic releases Claude Code v2.1.93 with deferred permission decisions for PreToolUse hooks, flicker-free rendering option, PermissionDenied hook, and named subagent typeahead support.
Claude Code v2.1.93 Released - Deferred Permission Decisions, Flicker-Free Rendering, and More
Anthropic released Claude Code v2.1.93 on April 4, 2026. This release includes deferred permission decisions for PreToolUse hooks, flicker-free rendering options, a new PermissionDenied hook, and improved subagent typeahead support.
Key New Features
Deferred Permission Decision for PreToolUse Hooks
A βdeferβ permission decision has been added to PreToolUse hooks. This allows headless sessions to pause at a tool call and resume with -p --resume for re-evaluation. This enhancement provides more flexibility in automated workflows.
Flicker-Free Rendering Option
A new environment variable CLAUDE_CODE_NO_FLICKER=1 has been added. When enabled, users can opt into flicker-free alt-screen rendering with virtualized scrollback.
PermissionDenied Hook
A new PermissionDenied hook has been added. This hook activates after auto-mode classifier denials. Returning {retry: true} with this hook can prompt the model to retry the action.
Named Subagents in Typeahead
Named subagents are now included in @ mention typeahead suggestions, making it easier to invoke subagents.
Bug Fixes
- Additional stability and performance improvements
More Information
- Official Documentation: https://code.claude.com/docs/en/changelog
- Release Date: April 4, 2026
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